Steps almost turned to go back, but when he heard scratches against his awareness, he froze. His body stiffened - going on alert. Too often in, especially, of the past he had learned such a mannerism, but even nowadays it still bled into his frame, despite far less lessons being drilled into him. Of course, being a true darkness only meant that he probably would have been caught, anyways. Shame it just wasn't his brother. His heart ached at such a thought - it uncomfortable.
Void Gear wanted to surge into his grip, but he kept it at bay. No matter. He could always belt out sarcasm, or whatever else defensive retort within his arsenal. He spun, almost wishing he had been wearing his mask, but for whatever reason, he hadn't. It was amusing either way. Silver hair, cyan pools.
Riku, his mind supplied. One of the guardians. Pfft, off-limits.
"And so what? I am leaving. Or at least, before you pointed me out,'' he snarked, lips curling up into a sneer. Yellow gazed harshly into the off-blue, trying to deter him.
"Besides .... you're not my brother."
A pause, as he glanced away, studying something else hard within the environment. ".. Sora. But that should be obvious." He flicked at a lock of his hair, it springing right back into place.